"Pseudo-MPEC" for P12ntw4
Created 2026 Jun 17 18:35:04 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12ntw4*0C2026 06 15.53375120 33 03.716-19 39 46.12 ~6FEZ 21.66wXNEOCPF51
P12ntw4 0C2026 06 15.55342220 33 03.123-19 40 08.35 ~6FEZ 21.27wXNEOCPF51
P12ntw4 0C2026 06 15.56347220 33 02.831-19 40 19.71 ~6FEZ 20.89wXNEOCPF51
P12ntw4 $C2026 06 17.11914420 32 18.246-20 09 56.63 ~6H8K XNEOCPJ04
P12ntw4 $C2026 06 17.12685820 32 17.966-20 10 05.48 ~6H8K XNEOCPJ04
P12ntw4 $C2026 06 17.13457020 32 17.711-20 10 14.48 ~6H8K 20.9 GXNEOCPJ04
P12ntw4 1C2026 06 17.43700020 32 08.320-20 16 03.60 ~6HBo VNEOCP691
P12ntw4 1C2026 06 17.44330020 32 08.110-20 16 11.20 ~6HBo 20.9 RVNEOCP691
P12ntw4 1C2026 06 17.44960020 32 07.830-20 16 18.00 ~6HBo 19.8 RVNEOCP691
Station data:
(691) Steward Observatory, Kitt Peak - Spacewatch (N31.962174 W111.600327)
US/Arizona. Observer J. V. Scotti. 0.9-m f/3 reflector + CCD.
(F51) Pan-STARRS 1, Haleakala (N20.707234 W156.255910) US/Hawaii.
Observers J. Herman, T. Lowe, P. Minguez, A. Schultz, I. Smith. Measurers
K. Chambers, T. de Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E.
Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chrétien +
CCD.
(J04) ESA Optical Ground Station, Tenerife (N28.300957 W16.511820) Canary
Islands (Spain). Observer F. Ocaña. Measurers M. Micheli, D. Koschny, E.
Schwab, M. Busch, A. Knöfel. 1.0-m f/4.4 reflector + CCD.
Orbital elements: P12ntw4
Perihelion 2026 Jan 13.375737 +/- 274 TT = 9:01:03.6 (JD 2461053.875737)
Epoch 2026 Jun 17.0 TT = JDT 2461208.5 Earth MOID: 0.7920 AutoNEOCP
M 24.160989345 +/- 80 (J2000 ecliptic)
n 0.156256132 +/- 0.0692 Peri. 105.747619 +/- 70
a 3.413851838 +/- 1.01 Node 106.464667 +/- 1.7
e 0.53515495 +/- 0.145 Incl. 29.315288 +/- 6
P 6.30764 H 17.90 G 0.15 U 11.0 SR
q 1.586912121 +/- 0.289 Q 5.240791555 +/- 0.965
From 9 observations 2026 June 15-17 (46.0 hr); mean residual 0".32
Residuals in arcseconds: 260615 F51 .01- .09- 260617 J04 .39+ .43+ 260617 691 .17+ .28- 260615 F51 .07- .01+ 260617 J04 .04+ .48+ 260617 691 .20+ .62- 260615 F51 .07+ .05+ 260617 J04 .04+ .37+ 260617 691 .76- .17- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 06 17 19 20 31 57.190 -20 22 47.22 1.2710 2.1572 141.0 21.0 2.04 164 2026 06 17 20 20 31 55.864 -20 23 35.39 1.2709 2.1574 141.0 21.0 2.26 158 2026 06 17 21 20 31 54.535 -20 24 23.57 1.2708 2.1577 141.1 21.0 2.50 154 2026 06 17 22 20 31 53.202 -20 25 11.76 1.2707 2.1579 141.1 21.0 2.75 151 2026 06 17 23 20 31 51.865 -20 25 59.97 1.2707 2.1581 141.2 21.0 3.00 149 2026 06 18 00 20 31 50.525 -20 26 48.19 1.2706 2.1584 141.2 21.0 3.27 148 2026 06 18 01 20 31 49.181 -20 27 36.43 1.2705 2.1586 141.2 21.0 3.54 147 2026 06 18 02 20 31 47.834 -20 28 24.69 1.2704 2.1589 141.3 21.0 3.82 146 2026 06 18 03 20 31 46.484 -20 29 12.96 1.2703 2.1591 141.3 21.0 4.11 145 2026 06 18 04 20 31 45.129 -20 30 01.24 1.2703 2.1593 141.4 21.0 4.41 145 2026 06 18 05 20 31 43.771 -20 30 49.54 1.2702 2.1596 141.4 21.0 4.72 144 2026 06 18 06 20 31 42.410 -20 31 37.86 1.2701 2.1598 141.5 21.0 5.03 144 2026 06 18 07 20 31 41.045 -20 32 26.18 1.2700 2.1601 141.5 21.0 5.35 144 2026 06 18 08 20 31 39.677 -20 33 14.53 1.2700 2.1603 141.6 21.0 5.68 144 2026 06 18 09 20 31 38.305 -20 34 02.89 1.2699 2.1605 141.6 21.0 6.02 143 2026 06 18 10 20 31 36.929 -20 34 51.26 1.2698 2.1608 141.7 21.0 6.37 143 2026 06 18 11 20 31 35.550 -20 35 39.65 1.2697 2.1610 141.7 21.0 6.72 143 2026 06 18 12 20 31 34.168 -20 36 28.05 1.2697 2.1612 141.8 21.0 7.08 143 2026 06 18 13 20 31 32.781 -20 37 16.46 1.2696 2.1615 141.8 21.0 7.45 143 2026 06 18 14 20 31 31.392 -20 38 04.90 1.2695 2.1617 141.9 21.0 7.82 143 2026 06 18 15 20 31 29.999 -20 38 53.34 1.2694 2.1620 141.9 21.0 8.21 143 2026 06 18 16 20 31 28.602 -20 39 41.80 1.2694 2.1622 142.0 21.0 8.60 143 2026 06 18 17 20 31 27.202 -20 40 30.27 1.2693 2.1624 142.0 21.0 9.00 143 2026 06 18 18 20 31 25.798 -20 41 18.76 1.2692 2.1627 142.1 21.0 9.41 143 2026 06 18 19 20 31 24.391 -20 42 07.26 1.2691 2.1629 142.1 21.0 9.82 143 2026 06 18 20 20 31 22.980 -20 42 55.78 1.2691 2.1632 142.2 21.0 10.2 143 2026 06 18 21 20 31 21.566 -20 43 44.31 1.2690 2.1634 142.2 21.0 10.7 143 2026 06 18 22 20 31 20.148 -20 44 32.85 1.2689 2.1636 142.3 21.0 11.1 143 2026 06 18 23 20 31 18.727 -20 45 21.41 1.2688 2.1639 142.3 21.0 11.6 143 2026 06 19 00 20 31 17.302 -20 46 09.98 1.2688 2.1641 142.3 21.0 12.0 142 2026 06 19 01 20 31 15.874 -20 46 58.56 1.2687 2.1644 142.4 21.0 12.5 142 2026 06 19 02 20 31 14.442 -20 47 47.16 1.2686 2.1646 142.4 21.0 12.9 142 2026 06 19 03 20 31 13.007 -20 48 35.77 1.2686 2.1648 142.5 21.0 13.4 142 2026 06 19 04 20 31 11.568 -20 49 24.40 1.2685 2.1651 142.5 21.0 13.9 142 2026 06 19 05 20 31 10.126 -20 50 13.04 1.2684 2.1653 142.6 21.0 14.4 142 2026 06 19 06 20 31 08.680 -20 51 01.69 1.2683 2.1655 142.6 21.0 14.9 142 2026 06 19 07 20 31 07.231 -20 51 50.35 1.2683 2.1658 142.7 21.0 15.4 142 2026 06 19 08 20 31 05.778 -20 52 39.03 1.2682 2.1660 142.7 21.0 15.9 142 2026 06 19 09 20 31 04.322 -20 53 27.73 1.2681 2.1663 142.8 21.0 16.4 142 2026 06 19 10 20 31 02.862 -20 54 16.43 1.2681 2.1665 142.8 21.0 17.0 142 2026 06 19 11 20 31 01.399 -20 55 05.15 1.2680 2.1667 142.9 21.0 17.5 142 2026 06 19 12 20 30 59.933 -20 55 53.88 1.2679 2.1670 142.9 21.0 18.0 142 2026 06 19 13 20 30 58.463 -20 56 42.63 1.2679 2.1672 143.0 21.0 18.6 142 2026 06 19 14 20 30 56.989 -20 57 31.38 1.2678 2.1675 143.0 21.0 19.2 142 2026 06 19 15 20 30 55.512 -20 58 20.15 1.2677 2.1677 143.1 21.0 19.7 142 2026 06 19 16 20 30 54.032 -20 59 08.94 1.2677 2.1679 143.1 21.0 20.3 142 2026 06 19 17 20 30 52.548 -20 59 57.73 1.2676 2.1682 143.2 21.0 20.9 142 2026 06 19 18 20 30 51.061 -21 00 46.54 1.2675 2.1684 143.2 21.0 21.5 142